21884575

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 28413360

約数和(自身を除く): 6528785

約数列:

[1, 5, 25, 37, 59, 185, 295, 401, 925, 1475, 2005, 2183, 10025, 10915, 14837, 23659, 54575, 74185, 118295, 370925, 591475, 875383, 4376915, 21884575]

約数ペア:

[(1, 21884575), (5, 4376915), (25, 875383), (37, 591475), (59, 370925), (185, 118295), (295, 74185), (401, 54575), (925, 23659), (1475, 14837), (2005, 10915), (2183, 10025)]